Everything you know about Pluto is probably wrong. Just ask a kid. Kids are much more up-to-date with knowledge about space and dinosaurs and other cool stuff we grown-ups haven’t read about in … well ...

Pluto, our planet of profound change and ultimate reckoning, is going direct in Aquarius, and the energy of the dwarf daddy ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...

Clyde Tombaugh discovered Pluto in 1930; however, in 2006, the International Astronomical Union (IAU) reclassified it as a dwarf planet, a decision sparking debate among astronomers and planetary ...

There are only eight planets in the solar system. Better get used to it. The International Astronomical Union's members voted Thursday to accept a definition of the term "planet" that leaves tiny, ...

This image made available by NASA on Friday, July 24, 2015 shows a combination of images captured by the New Horizons spacecraft with enhanced colors to show differences in the composition and texture ...

It has now been 15 years since ex-planet Pluto was re-classified as a dwarf planet by the International Astronomical Union (IAU). On August 24, 2006, the IAU convened at its 26th general assembly ...